Letter 13308 Darwin, C. R. to Lubbock, John [after 31 Aug 1881] Summary Add + JL's address [Presidential Address, 31 Aug 1881, Rep. BAAS (1881): 1–51] has made him think about important steps in advancing geology. Lists major advances in his lifetime. Transcription The full text of this letter is not yet available online. Footnotes Add
